Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Grant number 0411-10-8)
Fundação de Amparo à Pesquisa do Estado de São Paulo (2014/04955-8)
Text and Data Mining valid from 2018-09-27
Received: 21 March 2018
Accepted: 14 September 2018
First Online: 27 September 2018
Ethics approval and consent to participate
: All participants provided written informed consent in accordance with the Declaration of Helsinki; the Nottingham Research Ethics Committee 1 (Ref: 11/EM/0016) and Ethics Committee of the Hospital das Clinicas (N. 982.280) approved the studies. In all consent forms, patient’s relatives (wife, husband or offspring) were asked to also sign the form as witness. In case of patients doubtfully capable or incapable of consent, the next of kin (wife, husband or offspring) was asked to provide consent.
: The authors declare that they have no competing interests.
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